Source : Webster's Revised Unabridged Dictionary (1913)

Creeper \Creep"er\ (kr[=e]p"[~e]r), n.
   1. One who, or that which, creeps; any creeping thing.

            Standing waters are most unwholesome, . . . full of
            mites, creepers; slimy, muddy, unclean. --Burton.

   2. (Bot.) A plant that clings by rootlets, or by tendrils, to
      the ground, or to trees, etc.; as, the Virginia creeper
      (Ampelopsis quinquefolia).

   3. (Zo["o]l.) A small bird of the genus {Certhia}, allied to
      the wrens. The brown or common European creeper is {C.
      familiaris}, a variety of which (var. Americana) inhabits
      America; -- called also {tree creeper} and {creeptree}.
      The American black and white creeper is {Mniotilta varia}.

   4. A kind of patten mounted on short pieces of iron instead
      of rings; also, a fixture with iron points worn on a shoe
      to prevent one from slipping.

   5. pl. A spurlike device strapped to the boot, which enables
      one to climb a tree or pole; -- called often {telegraph
      creepers}.

   6. A small, low iron, or dog, between the andirons.

   7. pl. An instrument with iron hooks or claws for dragging at
      the bottom of a well, or any other body of water, and
      bringing up what may lie there.

   8. Any device for causing material to move steadily from one
      part of a machine to another, as an apron in a carding
      machine, or an inner spiral in a grain screen.

   9. pl. (Arch.) Crockets. See {Crocket}.

Source : WordNet®

creeper
     n 1: any plant (as ivy or periwinkle) that grows by creeping
     2: a person who crawls or creeps along the ground [syn: {crawler}]
     3: any of various small insectivorous birds of the northern
        hemisphere that climb about on trees [syn: {tree creeper}]